... 5--75KW 3.COP:4.2 4.CE Rohs Air source heat pump for heating or cooling Model 1MAHRW030ZB/(P)040ZB/(P ... protection against freezing, compressor high-pressure compressor, high and low voltage protection, compressor overtemperature, compressors flow, power supply ... switches, easy to install pipe connections, especially in split type design, take water system entirely in indoor, completely solved the ...